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 E-Mail IMAGE: Artist s composition of the two brown dwarfs, in the foreground Oph 98B in purple, in the background Oph 98A in red. Oph 98A is the more massive and therefore more. view more  Credit: © University of Bern, Illustration: Thibaut Roger Star-forming processes sometimes create mysterious astronomical objects called brown dwarfs, which are smaller and colder than stars, and can have masses and temperatures down to those of exoplanets in the most extreme cases. Just like stars, brown dwarfs often wander alone through space, but can also be seen in binary systems, where two brown dwarfs orbit one another and travel together in the galaxy.

United statesUnited kingdomJohannes geissBuzz aldrinSwiss national fundUniversity of genevaUniversity of bernDepartment of space researchPlanetary sciencesPhysics institute of the university bernUniversity of bern the national centerAstrophysical journalHubble spaceHubble space telescopeCanada france hawaii telescopeUnited kingdom infra red